Genres have a history and impose a historical character upon the writer. What is interesting in the poem involves a certain kind of dramatization of the self that you don't have to engage in in the essay. In fact, the essay is a more social medium than the poem.
Vijay SeshadriOrwell says somewhere that no one ever writes the real story of their life. The real story of a life is the story of its humiliations.
Vijay SeshadriWhen you're an immigrant, you're at the bottom of the ladder. You might not be at the bottom of the ladder economically. Those contradictions led me to feel that the role in society I was given didn't jive with my sense of myself. I think, in fact, that is the case with most people. Everybody feels themselves to be in an original relationship to creation, and feels confined by their social role.
Vijay SeshadriI could say that in the essay, as it has developed historically, success is determined by the writer's ability to express, through an individual voice, a collective experience - you are speaking individually but you are representing collectively.
Vijay Seshadri